| http://www.w3.org/ns/prov#value | - There is yet further provided a ???? modulator to be used in an over-sampling type analog-digital convertor, including (a) an analog ???? modulator including (a1) first to N-th digital-analog converters each of which converts a one-bit feed-back signal to an analog signal wherein N is an integer equal to or greater than 2, (a2) a first analog adder or subtracter which calculates a difference betwe
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